The oil and gas industry requires many different positions to run smoothly. You can find several different entry-level jobs at an offshore oilfield. In this location, you can be a roustabout, where your duties include cleaning tools and equipment and ensuring the work area is kept clean and orderly. You may also use lifts and truck winches to stack and load materials or to move them from one area to another. Entry-level mechanics on a platform drilling rig repair and maintain all areas of the rig to make sure they are functioning properly. Your specific job duties vary, depending on your position, but most entry-level employees at an offshore oilfield work under the supervision of experienced staff members.